RUBBER MIXTURE Russian patent published in 2020 - IPC C08L21/00 C08L23/22 C08L23/28 C08L93/00 C08K3/04 C08K3/22 B60C1/00 B60C5/14 B29C33/02 

Abstract RU 2717782 C2

FIELD: chemistry; manufacturing technology.

SUBSTANCE: invention relates to a rubber mixture, a pneumatic tire and a diaphragm for tire vulcanisation. Rubber mixture contains a rubber component containing 85 wt % or more in total amount of at least one rubber, selected from butyl rubber and halogenated butyl rubber, terpene-based resin, having glass transition temperature of 60 °C or less, 6–30 wt h in total amount of non-terpenic resin, having a glass transition temperature of 50 °C or more, different from terpene-based resin, having a glass transition temperature of 60 °C or less, per 100 wt h rubber component, as well as soot and sulfur.

EFFECT: invention provides excellent resistance to air penetration, moldability and durability of pneumatic tire and diaphragm for tire vulcanisation.

9 cl, 3 tbl

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RU 2 717 782 C2

Authors

Miyazaki Tatsuya

Dates

2020-03-25Published

2016-07-25Filed